﻿using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using DevExpress.Skins;
using DevExpress.XtraEditors;
using DevExpress.XtraWizard;
using FileManager_Client.PresentationLayer.NewUi;
using FileManager_Client.Utility;

namespace FileManager_Client.PresentationLayer
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main(string[] args)
        {
            //Application.EnableVisualStyles();
            //Application.SetCompatibleTextRenderingDefault(false);
            //Application.Run(new Form1());

            //处理未捕获的异常
            Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
            //处理UI线程异常
            Application.ThreadException += Application_ThreadException;
            //处理非UI线程异常
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;

            DevExpress.UserSkins.BonusSkins.Register();
            DevExpress.Skins.SkinManager.EnableFormSkins();
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
         //   XtraForm1 frm = new XtraForm1();
            //frmStart frm = new frmStart();
            //frm.ShowDialog();
            //if(!frm.AllowSkin4Form) DevExpress.Skins.SkinManager.DisableFormSkins();
            

            foreach (var item in args)
            {
                //MessageBox.Show(item);
            }
            //Get   the   running   instance.     
            Process instance = RunningInstance();
            if (instance == null)
            {
                Application.EnableVisualStyles();   //这两行实现   XP   可视风格     
                Application.DoEvents();
                //There   isn't   another   instance,   show   our   form.     
               // Application.Run(new Login());
                Application.Run(new LoginForm());//(true, WizardStyle.Wizard97));
            }
            else
            {
                MessageBox.Show(GlobalString.System_Config_String.InstanceHasRun);
                //There   is   another   instance   of   this   process.     
                HandleRunningInstance(instance);
            }
        }

        /// <summary>
        /// 是否退出应用程序
        /// </summary>
        static bool glExitApp = false;

        static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            LogLoader.Instance.Log.Error("CurrentDomain_UnhandledException" + e.ExceptionObject);
            LogLoader.Instance.Log.Error("IsTerminating" + e.IsTerminating);
            var exception = e.ExceptionObject as Exception;
            if(null != exception)
                XtraMessageBox.Show(exception.Message,
                                                                  GlobalString.System_Exception_String.MbxErrorStr,
                                                                  MessageBoxButtons.OK, MessageBoxIcon.Error);
            //while (true)
            //{//循环处理，否则应用程序将会退出
            //    if (glExitApp)
            //    {//标志应用程序可以退出，否则程序退出后，进程仍然在运行
            //        return;
            //    }
            //    System.Threading.Thread.Sleep(2 * 1000);
            //};
        }

        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            LogLoader.Instance.Log.Error("Application_ThreadException:" + e.Exception.Message);
            XtraMessageBox.Show(e.Exception.Message,
                                                                  GlobalString.System_Exception_String.MbxErrorStr,
                                                                  MessageBoxButtons.OK, MessageBoxIcon.Error);
            //throw new NotImplementedException();
        }

        public static Process RunningInstance()
        {
            Process current = Process.GetCurrentProcess();
            Process[] processes = Process.GetProcessesByName(current.ProcessName);
            //Loop   through   the   running   processes   in   with   the   same   name     
            foreach (Process process in processes)
            {
                //Ignore   the   current   process     
                if (process.Id != current.Id)
                {
                    //Make   sure   that   the   process   is   running   from   the   exe   file.     
                    if (Assembly.GetExecutingAssembly().Location.Replace("/", "//") == current.MainModule.FileName)
                    {
                        //Return   the   other   process   instance.     
                        return process;
                    }
                }
            }
            //No   other   instance   was   found,   return   null.   
            return null;
        }

        public static void HandleRunningInstance(Process instance)
        {
            //Make   sure   the   window   is   not   minimized   or   maximized     
            ShowWindowAsync(instance.MainWindowHandle, WS_SHOWNORMAL);
            //Set   the   real   intance   to   foreground   window  
            SetForegroundWindow(instance.MainWindowHandle);
        }


        [DllImport("User32.dll")]
        private static extern bool ShowWindowAsync(IntPtr hWnd, int cmdShow);
        [DllImport("User32.dll")]
        private static extern bool SetForegroundWindow(IntPtr hWnd);
        private const int WS_SHOWNORMAL = 1;  

    }
}
